cargo fmt

src/common/bit_source.rs

@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2007 ZXing authors
  *
@@ -122,4 +121,4 @@ impl BitSource {
     pub fn available(&self) -> usize {
         return 8 * (self.bytes.len() - self.byte_offset) - self.bit_offset;
     }
-}
+}